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Risdon Enterprises, Inc. Patents |
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Assignee: Risdon Enterprises, Inc.
Address: Columbia, SC
No. of patents: 8
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| D269997 |
Air freshener housing |
August 2, 1983 |
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| 4674237 |
Scouring pad device and method for making same |
June 23, 1987 |
| An improved scouring pad device comprises first and second bats each of which is made of a porous, fiberous, heat-weldable, polymeric material having an outer abrasive surface and an inner surface opposite the outer abrasive surface. An envelope layer of fluid impervious, heat-weldable, |
| 4529125 |
Device for dispensing of volatile substance and method for making the device |
July 16, 1985 |
| An improved device for dispensing a volatile substance into the environment includes a reservoir layer, having opposing first and second surfaces, for holding the substance and first and second envelope layers respectively in close proximity to the first surface and the second surface of |
| 4529124 |
Device for dispensing of volatile substance and method for making the device |
July 16, 1985 |
| An improved device for dispensing a volatile substance into the environment includes a reservoir layer, having opposing first and second surfaces, for holding the substance and first and second envelope layers respectively in close proximity to the first surface and the second surface of |
| 4432938 |
Apparatus for creating a flow of air past a product capable of being vaporized |
February 21, 1984 |
| The disclosed battery-powered vapor dispensing apparatus has a housing with an access opening, an air intake port, an air discharge port, and means for supporting a vaporizable product in a path between the intake and discharge ports. A structurally-integrated mechanism for creating air |
| 4376483 |
Device for holding and dispensing a fluid substance and method for making same |
March 15, 1983 |
| A device for holding and dispensing a substance such as a liquid, paste or the like, comprises a layer of substance absorbent but heat-sealable reservoir material, for holding the substance, that has two principal surfaces. A first sheet of heat-sealable cover material is disposed in |
| 4276236 |
Apparatus for inducing air flow past a product capable of being vaporized |
June 30, 1981 |
| A battery-powered apparatus, for inducing air flow past a product capable of being vaporized, includes a compact housing that comprises a hollow outer shell and a hollow, generally cylindrical inner shell, having an axis, on which the operating components of the apparatus are supported. |
| 4271092 |
Apparatus for inducing air flow past a product capable of being vaporized |
June 2, 1981 |
| A battery-powered apparatus, for inducing air flow past a product capable of being vaporized, includes a compact housing that comprises a hollow outer shell and a hollow, generally cylindrical inner shell, having an axis, on which the operating components of the apparatus are supported. |
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